US2437674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container safety lock
Assignee: Individual
•
Filing: 1942-08-08
•
Granted: 1948-03-16
•
Expires: 1962-08-08
Abstract
No abstract record available.
Inventors
- 👤 John W Armbruster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:38
CPC Classifications
B; B60; B60K; B60K15/00; B60K15/03; B60K15/04; B60K15/0406; B60K15/0409; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/554; Y10T70/5562; Y10T70/5593; Y10T70/5597; Y10T70/5606; Y10T70/70; Y10T70/7153; Y10T70/7181; Y10T70/7198; Y10T70/7237; Y10T70/7243
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US961088A
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US977337A
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US1106837A
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US1521093A
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US1630672A
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US1689979A
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US1968506A
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US1867650A
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US1849746A
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US2005469A
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US1989979A
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US2147727A
Cited
US2164450A
Cited
US2308892A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-16 | 1951-09-15 | 1952-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-16 | 1955-09-15 | 1956-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-16 | 1959-09-15 | 1960-03-16 | $7700.00 | Window Closed / Lapsed |